不改变数的大小,把下面各数写成三位小数.0.01 9.2800 0.8 11 .
=12÷ =0.25=4: = %
1÷4==4: = %= (小数)
==6﹣ = ÷= 折.
:5=72: =18:15== % .
=0.3: = %= (填小数)= 折= 成.